subtraction
n. 减法；减去
近义词：deduction，removal，withdrawal，debit，deletion，reduction，detraction，minus，addition，
英英释义
Noun
- an arithmetic operation in which the difference between two numbers is calculated;
"the subtraction of three from four leaves one" "four minus three equals one"
- the act of subtracting (removing a part from the whole);
"he complained about the subtraction of money from their paychecks"
例句
用作名词(n.)
- Two from five is a simple subtraction.五减二是简单的减法。
- Subtraction is the inverse operation of addition.减法是加法的逆运算。